Submission #467560

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
467560	2021-08-23T16:46:34 Z	MVP_Harry	Joker (BOI20_joker)	C++17	14 / 100	2000 ms	19652 KB

Joker

#include <bits/stdc++.h>
using namespace std;
#define INF 0x3f3f3f3f
#define rep(i, m, n) for (int i = m; i <= n; i++)
#define per(i, m, n) for (int i = m; i >= n; i--)
#define sz(v) (int) v.size()
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define mp make_pair
#define fi first
#define se second

const int maxn = 2e5 + 5;

int N, M, Q, ok = 0;
int vis[maxn];
vector<pair<int, int> > G[maxn];

void dfs(int u, int par, int col, int l, int r) {
	vis[u] = col;
	for (auto node : G[u]) {
		if (node.fi == par || (l <= node.se && node.se <= r)) continue;
		if (vis[node.fi] == vis[u]) ok = 1;
		if (!vis[node.fi])
			dfs(node.fi, u, 3 - col, l, r);
	}
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin >> N >> M >> Q;
	rep(i, 1, M) {
		int u, v;
		cin >> u >> v;
		G[u].push_back(mp(v, i));
		G[v].push_back(mp(u, i));
	}
	while (Q--) {
		int l, r;
		cin >> l >> r;
		ok = 0;
		rep(i, 1, N) vis[i] = 0;
		rep(i, 1, N) if (!vis[i])
			dfs(i, 0, 1, l, r);
		cout << (ok ? "YES\n" : "NO\n");
	}
	return 0;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	4 ms	5020 KB	Output is correct
4	Correct	4 ms	4940 KB	Output is correct
5	Correct	4 ms	5016 KB	Output is correct
6	Correct	3 ms	5016 KB	Output is correct
7	Correct	4 ms	4940 KB	Output is correct
8	Correct	4 ms	4940 KB	Output is correct
9	Correct	4 ms	4980 KB	Output is correct
10	Correct	4 ms	4940 KB	Output is correct
11	Correct	4 ms	4940 KB	Output is correct
12	Correct	4 ms	4940 KB	Output is correct
13	Correct	4 ms	4940 KB	Output is correct
14	Correct	4 ms	4940 KB	Output is correct
15	Correct	4 ms	4940 KB	Output is correct
16	Correct	4 ms	5016 KB	Output is correct
17	Correct	4 ms	4940 KB	Output is correct
18	Correct	4 ms	5016 KB	Output is correct
19	Correct	4 ms	4940 KB	Output is correct
20	Correct	4 ms	5024 KB	Output is correct
21	Correct	6 ms	4940 KB	Output is correct
22	Correct	5 ms	5020 KB	Output is correct
23	Correct	4 ms	4940 KB	Output is correct
24	Correct	5 ms	4940 KB	Output is correct
25	Correct	4 ms	4940 KB	Output is correct
26	Correct	4 ms	4940 KB	Output is correct
27	Correct	4 ms	4940 KB	Output is correct
28	Correct	5 ms	4940 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	4 ms	5020 KB	Output is correct
4	Correct	4 ms	4940 KB	Output is correct
5	Correct	4 ms	5016 KB	Output is correct
6	Correct	3 ms	5016 KB	Output is correct
7	Correct	4 ms	4940 KB	Output is correct
8	Correct	4 ms	4940 KB	Output is correct
9	Correct	4 ms	4980 KB	Output is correct
10	Correct	4 ms	4940 KB	Output is correct
11	Correct	4 ms	4940 KB	Output is correct
12	Correct	4 ms	4940 KB	Output is correct
13	Correct	4 ms	4940 KB	Output is correct
14	Correct	4 ms	4940 KB	Output is correct
15	Correct	4 ms	4940 KB	Output is correct
16	Correct	4 ms	5016 KB	Output is correct
17	Correct	4 ms	4940 KB	Output is correct
18	Correct	4 ms	5016 KB	Output is correct
19	Correct	4 ms	4940 KB	Output is correct
20	Correct	4 ms	5024 KB	Output is correct
21	Correct	6 ms	4940 KB	Output is correct
22	Correct	5 ms	5020 KB	Output is correct
23	Correct	4 ms	4940 KB	Output is correct
24	Correct	5 ms	4940 KB	Output is correct
25	Correct	4 ms	4940 KB	Output is correct
26	Correct	4 ms	4940 KB	Output is correct
27	Correct	4 ms	4940 KB	Output is correct
28	Correct	5 ms	4940 KB	Output is correct
29	Correct	75 ms	5068 KB	Output is correct
30	Correct	126 ms	5140 KB	Output is correct
31	Correct	122 ms	5168 KB	Output is correct
32	Correct	100 ms	5068 KB	Output is correct
33	Correct	84 ms	5152 KB	Output is correct
34	Correct	147 ms	5072 KB	Output is correct
35	Correct	139 ms	5068 KB	Output is correct
36	Correct	37 ms	5200 KB	Output is correct
37	Correct	81 ms	5176 KB	Output is correct
38	Correct	82 ms	5156 KB	Output is correct
39	Correct	92 ms	5068 KB	Output is correct
40	Correct	92 ms	5164 KB	Output is correct
41	Correct	91 ms	5272 KB	Output is correct
42	Correct	93 ms	5188 KB	Output is correct
43	Correct	118 ms	5068 KB	Output is correct
44	Correct	120 ms	5156 KB	Output is correct
45	Correct	132 ms	5068 KB	Output is correct
46	Correct	136 ms	5100 KB	Output is correct
47	Correct	90 ms	5028 KB	Output is correct
48	Correct	98 ms	5068 KB	Output is correct
49	Correct	110 ms	5156 KB	Output is correct
50	Correct	124 ms	5032 KB	Output is correct
51	Correct	89 ms	5068 KB	Output is correct
52	Correct	103 ms	5160 KB	Output is correct
53	Correct	115 ms	5068 KB	Output is correct
54	Correct	137 ms	5068 KB	Output is correct

Subtask #3
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Execution timed out	2063 ms	18028 KB	Time limit exceeded
4	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	4 ms	5020 KB	Output is correct
4	Correct	4 ms	4940 KB	Output is correct
5	Correct	4 ms	5016 KB	Output is correct
6	Correct	3 ms	5016 KB	Output is correct
7	Correct	4 ms	4940 KB	Output is correct
8	Correct	4 ms	4940 KB	Output is correct
9	Correct	4 ms	4980 KB	Output is correct
10	Correct	4 ms	4940 KB	Output is correct
11	Correct	4 ms	4940 KB	Output is correct
12	Correct	4 ms	4940 KB	Output is correct
13	Correct	4 ms	4940 KB	Output is correct
14	Correct	4 ms	4940 KB	Output is correct
15	Correct	4 ms	4940 KB	Output is correct
16	Correct	4 ms	5016 KB	Output is correct
17	Correct	4 ms	4940 KB	Output is correct
18	Correct	4 ms	5016 KB	Output is correct
19	Correct	4 ms	4940 KB	Output is correct
20	Correct	4 ms	5024 KB	Output is correct
21	Correct	6 ms	4940 KB	Output is correct
22	Correct	5 ms	5020 KB	Output is correct
23	Correct	4 ms	4940 KB	Output is correct
24	Correct	5 ms	4940 KB	Output is correct
25	Correct	4 ms	4940 KB	Output is correct
26	Correct	4 ms	4940 KB	Output is correct
27	Correct	4 ms	4940 KB	Output is correct
28	Correct	5 ms	4940 KB	Output is correct
29	Execution timed out	2063 ms	18028 KB	Time limit exceeded
30	Halted	0 ms	0 KB	-

Subtask #5
0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	4 ms	5020 KB	Output is correct
4	Correct	4 ms	4940 KB	Output is correct
5	Correct	4 ms	5016 KB	Output is correct
6	Correct	3 ms	5016 KB	Output is correct
7	Correct	4 ms	4940 KB	Output is correct
8	Correct	4 ms	4940 KB	Output is correct
9	Correct	4 ms	4980 KB	Output is correct
10	Correct	4 ms	4940 KB	Output is correct
11	Correct	4 ms	4940 KB	Output is correct
12	Correct	4 ms	4940 KB	Output is correct
13	Correct	4 ms	4940 KB	Output is correct
14	Correct	4 ms	4940 KB	Output is correct
15	Correct	4 ms	4940 KB	Output is correct
16	Correct	4 ms	5016 KB	Output is correct
17	Correct	4 ms	4940 KB	Output is correct
18	Correct	4 ms	5016 KB	Output is correct
19	Correct	4 ms	4940 KB	Output is correct
20	Correct	4 ms	5024 KB	Output is correct
21	Correct	6 ms	4940 KB	Output is correct
22	Correct	5 ms	5020 KB	Output is correct
23	Correct	4 ms	4940 KB	Output is correct
24	Correct	5 ms	4940 KB	Output is correct
25	Correct	4 ms	4940 KB	Output is correct
26	Correct	4 ms	4940 KB	Output is correct
27	Correct	4 ms	4940 KB	Output is correct
28	Correct	5 ms	4940 KB	Output is correct
29	Correct	75 ms	5068 KB	Output is correct
30	Correct	126 ms	5140 KB	Output is correct
31	Correct	122 ms	5168 KB	Output is correct
32	Correct	100 ms	5068 KB	Output is correct
33	Correct	84 ms	5152 KB	Output is correct
34	Correct	147 ms	5072 KB	Output is correct
35	Correct	139 ms	5068 KB	Output is correct
36	Correct	37 ms	5200 KB	Output is correct
37	Correct	81 ms	5176 KB	Output is correct
38	Correct	82 ms	5156 KB	Output is correct
39	Correct	92 ms	5068 KB	Output is correct
40	Correct	92 ms	5164 KB	Output is correct
41	Correct	91 ms	5272 KB	Output is correct
42	Correct	93 ms	5188 KB	Output is correct
43	Correct	118 ms	5068 KB	Output is correct
44	Correct	120 ms	5156 KB	Output is correct
45	Correct	132 ms	5068 KB	Output is correct
46	Correct	136 ms	5100 KB	Output is correct
47	Correct	90 ms	5028 KB	Output is correct
48	Correct	98 ms	5068 KB	Output is correct
49	Correct	110 ms	5156 KB	Output is correct
50	Correct	124 ms	5032 KB	Output is correct
51	Correct	89 ms	5068 KB	Output is correct
52	Correct	103 ms	5160 KB	Output is correct
53	Correct	115 ms	5068 KB	Output is correct
54	Correct	137 ms	5068 KB	Output is correct
55	Execution timed out	2073 ms	19652 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Subtask #6
0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	4 ms	5020 KB	Output is correct
4	Correct	4 ms	4940 KB	Output is correct
5	Correct	4 ms	5016 KB	Output is correct
6	Correct	3 ms	5016 KB	Output is correct
7	Correct	4 ms	4940 KB	Output is correct
8	Correct	4 ms	4940 KB	Output is correct
9	Correct	4 ms	4980 KB	Output is correct
10	Correct	4 ms	4940 KB	Output is correct
11	Correct	4 ms	4940 KB	Output is correct
12	Correct	4 ms	4940 KB	Output is correct
13	Correct	4 ms	4940 KB	Output is correct
14	Correct	4 ms	4940 KB	Output is correct
15	Correct	4 ms	4940 KB	Output is correct
16	Correct	4 ms	5016 KB	Output is correct
17	Correct	4 ms	4940 KB	Output is correct
18	Correct	4 ms	5016 KB	Output is correct
19	Correct	4 ms	4940 KB	Output is correct
20	Correct	4 ms	5024 KB	Output is correct
21	Correct	6 ms	4940 KB	Output is correct
22	Correct	5 ms	5020 KB	Output is correct
23	Correct	4 ms	4940 KB	Output is correct
24	Correct	5 ms	4940 KB	Output is correct
25	Correct	4 ms	4940 KB	Output is correct
26	Correct	4 ms	4940 KB	Output is correct
27	Correct	4 ms	4940 KB	Output is correct
28	Correct	5 ms	4940 KB	Output is correct
29	Correct	75 ms	5068 KB	Output is correct
30	Correct	126 ms	5140 KB	Output is correct
31	Correct	122 ms	5168 KB	Output is correct
32	Correct	100 ms	5068 KB	Output is correct
33	Correct	84 ms	5152 KB	Output is correct
34	Correct	147 ms	5072 KB	Output is correct
35	Correct	139 ms	5068 KB	Output is correct
36	Correct	37 ms	5200 KB	Output is correct
37	Correct	81 ms	5176 KB	Output is correct
38	Correct	82 ms	5156 KB	Output is correct
39	Correct	92 ms	5068 KB	Output is correct
40	Correct	92 ms	5164 KB	Output is correct
41	Correct	91 ms	5272 KB	Output is correct
42	Correct	93 ms	5188 KB	Output is correct
43	Correct	118 ms	5068 KB	Output is correct
44	Correct	120 ms	5156 KB	Output is correct
45	Correct	132 ms	5068 KB	Output is correct
46	Correct	136 ms	5100 KB	Output is correct
47	Correct	90 ms	5028 KB	Output is correct
48	Correct	98 ms	5068 KB	Output is correct
49	Correct	110 ms	5156 KB	Output is correct
50	Correct	124 ms	5032 KB	Output is correct
51	Correct	89 ms	5068 KB	Output is correct
52	Correct	103 ms	5160 KB	Output is correct
53	Correct	115 ms	5068 KB	Output is correct
54	Correct	137 ms	5068 KB	Output is correct
55	Execution timed out	2063 ms	18028 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

Submission #467560

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 8.0 / 8.0

Subtask #3 0 / 25.0

Subtask #4 0 / 10.0

Subtask #5 0 / 22.0

Subtask #6 0 / 29.0

Subtask #1
6.0 / 6.0

Subtask #2
8.0 / 8.0

Subtask #3
0 / 25.0

Subtask #4
0 / 10.0

Subtask #5
0 / 22.0

Subtask #6
0 / 29.0